Finding the Fourth Proportional to 1,654.56, 2,480.22 and 1,069.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.56 : 2,480.22 = 1,069.47 : x
2. Step 2: Convert to fraction form
   1,654.56/2,480.22 = 1,069.47/x
3. Step 3: Cross multiply
   1,654.56x = 2,480.22 × 1,069.47
4. Step 4: Simplify right side
   1,654.56x = 2,652,520.88
5. Step 5: Solve for x
   x = 2,652,520.88/1,654.56
6. Step 6: Final answer
   x = 1,603.16